GB1235893A - A method of treating iron and steel products having a film containing chromium on the surface - Google Patents

A method of treating iron and steel products having a film containing chromium on the surface

Info

Publication number
GB1235893A
GB1235893A GB1889768A GB1889768A GB1235893A GB 1235893 A GB1235893 A GB 1235893A GB 1889768 A GB1889768 A GB 1889768A GB 1889768 A GB1889768 A GB 1889768A GB 1235893 A GB1235893 A GB 1235893A
Authority
GB
United Kingdom
Prior art keywords
chromium oxide
april
bath
hydrated chromium
sodium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1889768A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2626367A external-priority patent/JPS4637404B1/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of GB1235893A publication Critical patent/GB1235893A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/38—Chromatising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Chemical Treatment Of Metals (AREA)
GB1889768A 1967-04-21 1968-04-22 A method of treating iron and steel products having a film containing chromium on the surface Expired GB1235893A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2547467 1967-04-21
JP2547367 1967-04-21
JP2626367A JPS4637404B1 (enExample) 1967-04-26 1967-04-26

Publications (1)

Publication Number Publication Date
GB1235893A true GB1235893A (en) 1971-06-16

Family

ID=27285032

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1889768A Expired GB1235893A (en) 1967-04-21 1968-04-22 A method of treating iron and steel products having a film containing chromium on the surface

Country Status (3)

Country Link
BE (1) BE713899A (enExample)
FR (1) FR1562485A (enExample)
GB (1) GB1235893A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748099A1 (fr) * 1996-04-25 1997-10-31 Mitsubishi Heavy Ind Ltd Plaque de support de tubes echangeurs de chaleur et procede pour sa fabrication

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465011A1 (fr) * 1979-09-06 1981-03-20 Carnaud Sa Materiau constitue d'une tole d'acier protegee, son procede de fabrication, et ses applications, ntamment aux boites de conserve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748099A1 (fr) * 1996-04-25 1997-10-31 Mitsubishi Heavy Ind Ltd Plaque de support de tubes echangeurs de chaleur et procede pour sa fabrication

Also Published As

Publication number Publication date
BE713899A (enExample) 1968-09-16
DE1771207A1 (de) 1972-03-09
FR1562485A (enExample) 1969-04-04
DE1771207B2 (de) 1976-09-09

Similar Documents

Publication Publication Date Title
US3682796A (en) Method for treating chromium-containing baths
US3772165A (en) Method of treating surfaces of steel products
ES8603589A1 (es) Procedimiento de tratar substratos a base de hierro para impedir su corrosion superficial
GB1145791A (en) Electrolytic treatment for ferrous articles
ES443393A1 (es) Procedimiento para recubrir por via cataforetica superficiesde metales ferricos.
US3032487A (en) Electrolytic treatment of ferrous metal surfaces
US3959099A (en) Electrolytic method of producing one-side-only coated steel
Gonzalez et al. The Undercutting of Organic Lacquers on Steel
GB1051665A (enExample)
US3790355A (en) Coated metal article and method of coating
GB1354970A (en) Coated chromate treated metal sheet and a process therefor
GB1131558A (en) Method of electroplating nickel on an aluminium article
GB1091526A (en) Improvements in electrodeposition of chromium
GB1371590A (en) Method for electrolytically treating the surface of steel plate or strip
US3054737A (en) Process and bath for electrosmoothing ferrous metals
GB1331844A (en) Coated metal product and process for electrolytically coating metal surfaces
FR2053038A1 (en) Metallic coating for pipes plates nuts and - bolts
GB927284A (en) Protection of ferrous metal surfaces
US2755242A (en) Treatment for chromium plated aluminum
GB714541A (en) Method of and materials for producing paint-bonding surfaces on metal
US4810337A (en) Method of treating a chromium electroplating bath which contains an alkyl sulfonic acid to prevent heavy lead dioxide scale build-up on lead or lead alloy anodes used therein
GB1106292A (en) Improvements in or relating to the treatment of metals
GB510353A (en) Improvements in or relating to the protection of magnesium and magnesium alloys against corrosion
GB1148070A (en) Improvements in or relating to electrodeposition of chromium
US2683687A (en) Anodically polishing zinc surfaces